Combinational composites of Spunbond and melt blown (SM/SMS/SMMS)
Combinational composites of Spunbond and melt blown (SM/SMS/SMMS)
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The combinational fabrics of spun-bond and melt blown are produced simultaneously and integrated by placing melt-blown layers between spun-bond layers. These fabrics boast unique features, including high impermeability against liquids, breathability, and the ability to separate very fine solid particles.
Specifications
- Grammage 15-90
- The capability to adjust air penetration
- Resistant to chemical materials
- Impermeability against liquids
- Production in various colors according to the customer’s order
- Excellent mechanical properties
- Hydrophilic/Super hydrophilic
- Hydrophobic
- Super Soft
- Nano Anti-bacterial
- Anti-UV
- Anti-allergic
- Maximum width of fabric 320
Product color qualities
Expenses Combinational composites of Spunbond and melt blown (SM/SMS/SMMS)
- Medical
- Hygienic and cellulosic
- Industrial
- Agriculture
- Filtration
The composite of spunbond and melt blown in medicine has been paid attention to more than ever due to the corona disease outbreak, air pollution, and respiratory diseases. The various usages of this type of combination in medicine play an effective role in recovering and preventing respiratory and infectious diseases.
The existence of various factories around the cities and increase in cars consuming fossil fuels and generally industrialization of societies causes air pollution and an increase in fine dust and dust. These pollutants cause creating respiratory diseases such as asthma, allergy, infection, and cancer of the respiratory system.
To prevent respiratory diseases and the release of these pollutants, the use of respiratory masks is the best method for protecting of lungs and also preventing of respiratory diseases. Sanitary or medical masks are made from the spun-bond and melt-blown composite because this combination is highly impermeable against pollutants and dust, and viruses.
The main and most basic use of melt-blown in medical usage is its function in the types of medical masks. The feature of this nonwoven fabric is its softness and delicacy used a filter, so that this thin fabric makes a protective layer against contaminated particles or humidity existing in the air among the spun-bond layer, and greatly prevents damage to the respiratory system.
The combination of melt blown as a filter and impermeable layer along with spunbond with the property of strength and high stretch is able to prevent their passage through the fabric layers by recognizing suspended particles of pollutants and fine dust in the air.
Apart from the use of this composite in sanitary masks, its other uses are also in hospital clothes, surgical gowns, caps, disposable bedsheets, hygienic pads, and the operation room and isolation rooms.
The features of the composite of spunbond and melt blown in medicine:
- High strength and flexibility, and it is not easily torn and frayed.
-it is light and soft, and its use is not harmful to health of the body during the day.
-empty space between the texture is about 1 to 5 microns which makes it impermeable.
-The capability to adapt to the environment
-High impermeability against humidity and pollutants
-no sensitivity
-Easy breath and without difficulty
-Sterilized and antibacterial
The usage of the composite of spun-bond and melt-blown in medicine:
According to high quality and high resistance to particles, the composite of spun-bond and melt-blown is of the most important and common materials in the medical industry. These compounds as a filter protect the respiratory system against fine dust and pollutants and prevent lung diseases, sensitivity, and many viral contaminations, and they affect the improvement of human health.
Spunbond and melt blown composites (NON-WOVEN) are a unique combination of non-woven textiles with a wide range of applications in people's lives, particularly in the hygiene and cellulosic industries. This type of fabric, composed of polymer compounds, was invented in the 1950s and 1960s by German and American companies.
In these composite textiles, spunbond is used, providing general characteristics such as weight, softness, smoothness, color, width, and length. On the other hand, it exhibits antibacterial properties, water and moisture resistance, UV and radiation resistance, and water absorption. The weight of this fabric typically ranges from 8 to 400 grams or is produced in multi-layers.
The spunbond and melt blown composite consist of three layers, with the middle layer made of melt-blown and the other two layers made of spunbond. Melt-blown is made from polypropylene and is used as a filter material. In this composite textile, the melt-blown layers are placed between the spunbond layers simultaneously.
By employing advanced technologies in the production of the third layer of this textile, discontinuous filaments of various lengths and a fineness of 1.5 microns are used. The outstanding features of this fabric include extremely high impermeability to liquids and excellent particle separation capabilities. Additionally, this composite has a high level of softness and smoothness.
The main difference of these composite textiles lies in the size of the fibers and their substitution on the fabric. In melt-blown, the fibers are compressed with high air pressure, effectively melting and fusing together. This technique results in high impermeability, preventing liquid absorption and dust penetration, making it suitable for hygiene and cellulosic applications.
Hygienic and Cellulosic Applications of Spunbond and Melt Blown Composites
Cellulosic products are commonly used in hygiene applications, as they are made from natural raw materials that are environmentally friendly and found in plant fibers like cotton. One of the primary uses of these materials is in hygiene products such as baby diapers and sanitary napkins, where melt-blown is used as the middle layer to increase moisture absorption.
This composite is also utilized in cleaning (baby wipes, moist wipes, and cosmetic wipes) and hygiene products (diapers, pet pads, sanitary napkins, disposable masks, and bed sheets).
Key Characteristics of Spunbond and Melt Blown Composites in Hygienic and Cellulosic Applications
- Antibacterial properties
- Water and moisture impermeability
- Prevents infections and skin sensitivities
- High resistance and durability against stretching and abrasion
- Environmentally friendly
- Cost-effective
Hygienic and Cellulosic Applications of Spunbond and Melt Blown Composites
Today, the use of non-woven textiles without yarns and threads has expanded in hygiene and cellulosic applications, and the combination of spunbond and melt blown has significantly enhanced their quality and efficiency. This blend has improved impermeability, antibacterial properties, high resistance, and cost-effectiveness, making it highly beneficial for hygiene and cellulosic purposes.
Industrial Applications of Spunbond and Melt Blown Composites
Spunbond and melt blown composites (NON-WOVEN) play a significant role in the development and advancement of industrial applications. These composites are based on nanotechnology, replacing natural fibers and woven fabrics, and are known as non-woven, disposable fabrics. The primary raw material for these composites is polymer.
These textiles are created by simultaneously combining spunbond and melt blown through a hot pressing process, where they are connected under different temperature, pressure, and time conditions. The melt-blown layers are melted and chemically, physically, and mechanically bonded between the spunbond layers, enhancing the composite's strength, impermeability, and coverage.
As societies industrialize and technology expands into all aspects of life, the use of composite textiles is on the rise, becoming an inseparable part of various human applications. One of the main applications of these composites is in the industrial sector, including construction, automotive, and filtration.
The use of these composites can address many deficiencies and shortages in industries. For example, in the automotive industry, they have proven effective in reinforcing body structures and improving tire abrasion resistance. Additionally, composite materials account for over 25% of products used in construction and road industries, significantly contributing to erosion control and protective coatings.
Key Characteristics of Spunbond and Melt Blown Composites in Industrial Applications:
- High chemical and physical resistance
- High strength and hardness
- Cost-effectiveness
- Heat and thermal resistance
- UV resistance
- High impermeability
- Recyclability
- Antimicrobial properties (in food industries)
- Flexibility and high tensile strength
Industrial Applications of Spunbond and Melt Blown Composites:
- Automotive industry: Interior decorations, car covers, sound insulation, heating, and cooling systems.
- Filtration industry: Air and water ventilation, surgical masks, cleanroom filters, and industrial filters.
- Textile industry: Shoe and clothing covers, masks, surgical gowns, underpads, bed sheets, and thermal insulating clothing.
- Construction and road industry: Prefabricated walls, soil stabilization, road construction, formwork, building construction coatings, floor coverings, wallpapers, and decorations.
- Food and packaging industry: Tea and legume packets, meat and fruit packaging, furniture and electronic device covers.
- Civil engineering: Tank and canal protection, leveling, and prevention of surface cracking in highways and airports.
The use of spunbond and melt blown composites in various industries has significantly improved product efficiency and quality. With outstanding features like impermeability, strength, and flexibility in composite textiles, they have sparked significant innovation and progress in the industrial sector. Additionally, the recyclability of these composites plays a crucial role in reducing environmental pollution.
Application of Spunbond and Melt Blown Composites in Agriculture
Spunbond and melt blown composites (NON-WOVEN) hold significant importance and wide-ranging applications in agriculture. With the increase in population, global warming, reduced precipitation, and severe depletion of underground water resources, especially in Iran, the need for these fabrics is strongly felt.
These non-woven composite textiles are not made of woven threads but consist of fibers arranged together in a unique process, creating a cohesive and uniform layer of composite fabric. The fibers in these textiles are thin and lightweight, taking the form of sheets, layers, or spider webs, and are bonded together through friction, adhesion, entangling, and melting methods. The combination of spunbond and melt blown enhances the efficiency and resilience of these non-woven composite fabrics, making them highly versatile in various applications.
One of the essential applications of this composite is in agriculture, as it not only improves plant growth but also enhances the quality of agricultural products. The melt-blown layer is made from polypropylene, which increases its impermeability, prevents water and moisture loss, and adds flexibility and strength when combined with spunbond.
Considering the growing population and the need for more food, the use of these composite textiles plays a significant role in addressing water scarcity issues. With increased crop productivity, cultivation of flowers, and agricultural products like vegetables, these composites enable successful cultivation under various weather conditions and climates.
Advantages of Using Spunbond and Melt Blown Composites in Agriculture:
- Protection against cold and frost
- Increased impermeability
- Prevention of water and moisture loss
- Plant protection against pests and insects
- Pest and weed control
- Temperature regulation
- Recyclability
- Cost-effectiveness and reduced expenses
- Prevention of water and soil contamination
- Increased crop yield and quality
- High durability and resilience
- Enhanced efficiency of fertilizers and pesticides
Using Spunbond and Melt Blown Composites in Agriculture:
To increase crop yield and improve the quality of agricultural and horticultural products, spunbond and melt blown composites find applications in various areas. The most common use of these textiles is in greenhouse covers, serving as plant covers, mulching, protection against cold and heavy rainfall, shading, insect and weed barriers, nursery and fruit preservation bags, seed covers, protection against storms and extreme heat.
Given the climatic changes, reduced precipitation, and increased aridity in Iran, the use of spunbond and melt blown composites in agriculture is highly effective and necessary. Utilizing these types of composite textiles not only optimizes water and soil use but also significantly contributes to increasing crop productivity and improving the quality of agricultural products.
The use of composite spunbond and melt-blown materials in filtration applications has a significant impact on improving the quality of filtration. Pollution of air and water is one of the main environmental issues in modern life, posing a threat to public health. Consequently, the need for filtration has become more apparent with the industrialization of societies and the increasing use of fossil fuels.
The production of these composite textiles involves a unique process that uses polymeric resins with fiber diameters ranging from 1 to 2 micrometers to create non-woven fiber membranes. Through chemical, mechanical, and melting processes, the layers of spunbond and melt-blown materials are bonded together.
Melt-blown non-woven fabric functions as a filter due to its soft and fine fibers, providing high impermeability to small particles and pollutants. When combined with spunbond, which has high tensile strength and flexibility, it creates a high-quality and efficient composite.
The primary application of these composite materials is in the filtration industry. In a short period, they have replaced natural filters like paper, glass, natural fibers, and carbon filters. They are widely used in various applications, including industrial and household filtration, agricultural, and healthcare.
Specifications of composite spunbond and melt-blown in filtration include:
- Removal of various contaminants
- Flexibility
- Resistance to tension and abrasion
- Increased efficiency
- Chemical and physical stability
- High strength
- Increased impermeability
- Resistance to heat and temperature
- Strong oil and fat absorbent
- Cost-effective
- Environmentally friendly
- Corrosion resistance
The uses of composite spunbond and melt-blown in filtration are extensive. They are utilized in industrial filters to separate different types of materials. The filtration process involves allowing filtered materials to pass through while retaining excess substances and contaminants.
These filtration systems are used in various fields, including household applications, water purification, hygiene and medical products like surgical masks, cartridge filters, and air ventilation.
Industries such as automotive, oil, gas, petrochemical, and others that generate pollutants use these filtration methods. Different types of industrial filters include air filters, oil filters, gas filters, water filters, and particle separators for dust, oil, and fats from fluids and gases.
With the growing environmental pollution, especially air and water pollution, and the need for clean water and air, the filtration industry, particularly with filters made from composite spunbond and melt-blown materials, provides a valuable solution to these issues due to their high efficiency and quality.
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